799705988 has 6 divisors (see below), whose sum is σ = 1399485486. Its totient is φ = 399852992.

The previous prime is 799705979. The next prime is 799706009. The reversal of 799705988 is 889507997.

799705988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 630913924 + 168792064 = 25118^2 + 12992^2 .

It is a super-2 number, since 2×799705988² = 1279059334486112288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 799705988.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99963245 + ... + 99963252.

It is an arithmetic number, because the mean of its divisors is an integer number (233247581).

Almost surely, 2^799705988 is an apocalyptic number.

It is an amenable number.

799705988 is a deficient number, since it is larger than the sum of its proper divisors (599779498).

799705988 is a wasteful number, since it uses less digits than its factorization.

799705988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199926501 (or 199926499 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 62.

The square root of 799705988 is about 28279.0733228654. The cubic root of 799705988 is about 928.2040292200.

It can be divided in two parts, 79970 and 5988, that added together give a palindrome (85958).

The spelling of 799705988 in words is "seven hundred ninety-nine million, seven hundred five thousand, nine hundred eighty-eight".